of this secondary radiation. In order to study the directionality of this effect, Cerenkov designed the experimental setup illustrated in Figure 2 using a conical mirror that reflected incoming radiation against a photographic plate located above a fluid-filled vessel. Photographs of the reflected light represent cases of ordinary luminescence
A sigil (/ËsÉªdÊÉl/; pl. sigilla or sigils; from Latin sigillum seal) is a symbol used in magic. The term has usually referred to a type of pictorial signature of a demon or other entity; in modern usage, especially in the context of chaos magic, it refers to a symbolic representation of the magician's desired outcome.
A Synovial Cyst, also known as Gideonâs Disease or Bible Bump, is a small, fluid-filled sac or pouch that develops over a tendon or joint on the top of the foot. The benign mass under the skin may or may not be painful. The size of the sac or cyst can change with activity and may disappear for some time, only to recur.